Re: [Boost-users] thread_group::interrupt_all is not reliable

Subject: Re: [Boost-users] thread_group::interrupt_all is not reliable
From: Stonewall Ballard (sb.list_at_[hidden])
Date: 2009-12-08 12:50:37

On Dec 3, 2009, at 9:38 AM, Peter Dimov wrote:

> Stonewall Ballard wrote:
>> I see that now. It's necessary for the interrupter to lock the
>> condition variable mutex before interrupting the thread. The
>> likelihood of failure would depend on the number of threads waiting
>> on the condition variable, and the use of an interrupt_all() to
>> interrupt them repeatedly.
>> 
>> So this really is a bug in boost::thread, at least with the pthreads
>> implementation. I suppose that makes it easier to fix than a bug in
>> pthreads.
> 
> ...
> 
>> I'm surprised that I can't find any other reports of this problem.
> 
> You might want to file a ticket for this issue on svn.boost.org so that it doesn't get lost.

Done. Ticket #3735.

 - Stoney

-- 
Stonewall Ballard 
stoney_at_[hidden]           http://stoney.sb.org/